Experiment with dislodging the Extension Shelf and having it only appear on t...

chrome/browser/browser_window.h

 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_BROWSER_WINDOW_H_
 
 #include "base/gfx/native_widget_types.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 
@@ skipping 57 matching lines @@
 
   // Return the status bubble associated with the frame
   virtual StatusBubble* GetStatusBubble() = 0;
 
   // Inform the receiving frame that an animation has progressed in the
   // selected tab.
   // TODO(beng): Remove. Infobars/Boomarks bars should talk directly to
   //             BrowserView.
   virtual void SelectedTabToolbarSizeChanged(bool is_animating) = 0;
 
+  // Notification for the Extension Shelf changing its size.
+  virtual void SelectedTabExtensionShelfSizeChanged() = 0;
+
   // Inform the frame that the selected tab favicon or title has changed. Some
   // frames may need to refresh their title bar.
   virtual void UpdateTitleBar() = 0;
 
   // Inform the frame that the dev tools window for the selected tab has
   // changed.
   virtual void UpdateDevTools() = 0;
 
   // Tries to focus docked devtools window (when breakpoint is hit).
   virtual void FocusDevTools() = 0;
@@ skipping 52 matching lines @@
   virtual void DisableInactiveFrame() {}
 
   // Shows a confirmation dialog box for adding a search engine described by
   // |template_url|.
   virtual void ConfirmAddSearchProvider(const TemplateURL* template_url,
                                         Profile* profile) = 0;
 
   // Shows or hides the bookmark bar depending on its current visibility.
   virtual void ToggleBookmarkBar() = 0;
 
+  // Shows or hides the extension shelf depending on its current visibility.
+  virtual void ToggleExtensionShelf() = 0;
+
   // Shows the About Chrome dialog box.
   virtual void ShowAboutChromeDialog() = 0;
 
   // Shows the Task manager.
   virtual void ShowTaskManager() = 0;
 
   // Shows the Bookmark Manager window.
   virtual void ShowBookmarkManager() = 0;
 
   // Shows the Bookmark bubble. |url| is the URL being bookmarked,
@@ skipping 109 matching lines @@
 
   // Returns the TabContentsContainer.
   virtual views::View* GetTabContentsContainerView() const = 0;
 
   // Returns the ToolbarView.
   virtual ToolbarView* GetToolbarView() const = 0;
 #endif
 };
 
 #endif  // CHROME_BROWSER_BROWSER_WINDOW_H_